Apparatus for snow removal



March 30, 1937. M JESWlNE 2,075,581

APPARATUS FOR SNOW REMOVAL 2 Sheets-Sheet 1 Filed Dec. 11, 1934vlIlIllIlIIIIIIII/I III/I/ March 30, 1937. A. M. JESWlNE APPARATUS FORSNOW REMOVAL Filed Dec. 11, 1934 2 Sheets-Sheet 2 Patented Mar. 30, 1937PATENT OFFICE APPARATUS FOR SNOW REMOVAL Adolph M. J eswine, Helena,Mont.

Application December 11, 1934, Serial No. 757,047

3 Claims.

My invention consists in a new and useful improvement in apparatus forsnow removal and is designed particularly to provide an improved form ofrotor to be used in the apparatus disclosed in my co-pending applicationfor United States Letters Patent, Serial Number 749,856, although it isto be understood that its use is by no means limited to use with saidapparatus. The particularly novel and useful features of my improvedrotor are the design and relation of its parts and the fact that itcomprises a single casting. My rotor consists of a hub, back plate andblades cast integral. I have produced a rotor which while beingsufficiently light has very considerable strength due to its noveldesign. The blades are of sinuous configuration from the hub to theirouter ends, thus affording strength, and they are braced laterally bytheir supporting back plate. Securing greater strength by this means, Ihave eliminated the usual bracing struts between the hub and the bladesand have thus obviated any obstruction to the flow of the snow.

While I have illustrated in the drawings filed herewith and havehereinafter fully described one specific embodiment of my invention, itis to be distinctly understood that I do not consider my inventionlimited to said specific embodiment but refer for its scope to theclaims appended hereto.

In the drawings:

Fig. l is a side elevation, partly in section.

Fig. 2 is a front elevation.

Fig. 3 is a vertical section on the line 3-3 of Fig. 4.

Fig. 4 is a vertical section on the line 4-4 of Fig. 3.

Fig. 5 is a horizontal section on the line 5-5 of Fig. 4.

As illustrated in the drawings, the device is mounted upon the front ofan automobile truck T by any suitable means attached to the housing I inwhich is mounted the motor M for operating the device. Mounted upon thefront of the housing I is the circular rotor housing 2 provided with thetangential discharge throat 3. Disposed over the upper half of the frontof the housing 2 is the shield 4 and disposed about the lower open halfof the front of the housing 2 is the concave scoop 5.

Suitably mounted in the throat 3 is the rotatable discharge spout 6provided with a circumferential rack "I and co-acting pinion 8 withhand-wheel 9 for adjusting the spout 6, and a latch III for locking samein adjusted position.

Keyed upon the shaft I I of the motor M. which extends into the housing2, is the rotor R having the hub I2, the rear face plate I3 and aplurality of radial blades I4 tapering outwardly from the hub I2 andextending forwardly at right angles from the plate I3.'

Relative to the direction of rotation of the rotor R, these blades I4are convexly curved as at I4-a toward their inner ends and concavelycurved as at I4-Z2' near their outer ends I4-c which project beyond theperiphery of the plate I3 and are provided with extensions I3a from theplate I3.

It is to be particularly noted that the forward edges I4--d of theblades l4 are projected considerably forwardly of the front end of thehub I2.

The housing 2 has an orifice 2a of slightly less diameter than thediameter of the rear face plate I3, the periphery of the housing 2 aboutthis orifice 2-0. being attached to the housing I.

From the foregoing description of the details of construction of mydevice, its use and operation will be obvious. The apparatus is drivenagainst the snow to be removed by the truck T. Power from the motor M isapplied through I the shaft II to the rotor R and the snow is suppliedto the rotor R by the scoop 5, passing under the lower edge of theshield 4 so that the blades I4 of the rotor R receive the snow on theirlower half of each revolution. The rotor throws the snow violentlyupwardly through the discharge throat 3 and the spout 6 which may beadjusted to deliver the stream of snow as desired.

It is to be particularly noted that the blades I4 of the rotor R(Fig. 1) are projected forwardly from the hub I2 of the rotor R towardthe scoop 5, so as to facilitate their loading.

It is also to be particularly noted (Fig. 3) that as the plate I3 of therotor R, integral with the blades I4, rotates therewith, any tendencyfor the snow to clog between the rotor R and the housing 2 about the hubI2 is obviated.

Having described my invention, what I claim 1. In a. snow removalapparatus, the combination of a housing; a prime mover mounted in saidhousing and provided with a shaft extending from said housing; a casinghaving a circular orifice concentric with said shaft, and a supplyopening and a discharge opening, said casing being attached to saidhousing on the periphery of said orifice; and a rotor mounted on saidshaft and disposed in said casing between said openings.

2. In a snow removal apparatus, the combination of a casing having acircular orifice, and a supply opening and a discharge opening; and arotor mounted in said casing between said openings, and having a radialcircular plate adjacent to and of a diameter slightly greater than thesaid circular orifice.

3. In a snow removal apparatus, the combination of means for supportinga rotatable shaft;

a shaft journaled in said means; a casing having supply and dischargeopenings and a circular orifice concentric with said shaft, and mountedon said supporting means; and a rotor mounted on said shaft in saidcasing between said openings, and having a radial plate covering saidorifice.

ADOLPI-I M. JESWINE.

